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a compound containing 40% of carbon …

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a compound containing 40% of carbon 5.7%of hydrogen and 53.3%of oxygen has an atomic mass of 175 g/mol.what is the molecular formula?

    • Posted by Aaliya Hussainar 3 years, 3 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Anjan Karthi 3 years, 3 months ago

    No of moles (C) = 40/12 = 3.33 . No of moles (H) = 6.7/1 = 6.7 . No of moles (O) = 53.3/16 = 3.33. Therefore, Ratio = C:H:O = 1:2:1. Empirical formula = CH2O. Mass of Empirical formula = 12 + 2 + 16 = 30 g. // N = 175/30 = 6 (approx). Therefore, molecular formula is C6H12O6.

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